package com.example.yadmin.interceptor;

import com.alibaba.fastjson2.JSON;
import com.example.yadmin.common.utils.JwtUtil;
import com.example.yadmin.common.vo.Result;
import com.mysql.cj.protocol.x.XMessage;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@Component
@Slf4j
public class JwtValidateInterceptor implements HandlerInterceptor {
    @Autowired
    private JwtUtil jwtUtil;
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
       String token = request.getHeader("Token");
       log.debug(request.getRequestURI() + "需要验证:" + token);
       if (token != null){
           try {
               jwtUtil.parseToken(token);
               log.debug(request.getRequestURI() + "验证通过");
               return true;
           } catch (Exception e) {
              e.printStackTrace();
           }
       }
        log.debug(request.getRequestURI() + "验证失败，禁止访问");
       response.setContentType("application/json;charset=utf-8");
        Result<Object> fail = Result.fail(20003, "jwt无效，请重新登录");
        response.getWriter().write(JSON.toJSONString(fail));
       return false;
    }
}
